Home / 211,769.80-292,257.66-140,025.40

Finding the Fourth Proportional to 211,769.80, 292,257.66 and 140,025.40

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Solution

The fourth proportional to 211,769.80, 292,257.66 and 140,025.40 is: 193,245.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,769.80 : 292,257.66 = 140,025.40 : x
  2. Step 2: Convert to fraction form
    211,769.80/292,257.66 = 140,025.40/x
  3. Step 3: Cross multiply
    211,769.80x = 292,257.66 × 140,025.40
  4. Step 4: Simplify right side
    211,769.80x = 40,923,495,744.56
  5. Step 5: Solve for x
    x = 40,923,495,744.56/211,769.80
  6. Step 6: Final answer
    x = 193,245.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.